package com.itheima.mapper;

import com.itheima.pojo.Category;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface CategoryMapper {
    //新增
    @Insert("insert into category(category_name, category_alias, create_user, create_time, update_time) " +
            "values (#{categoryName}, #{categoryAlias}, #{createUser}, #{createTime}, #{updateTime})")
    void add(Category category);
    //查询所有
    @Select("select * from category where create_user = #{user}")
    List<Category> list(Integer userId);
    //根据ID查询
    @Select("select * from category where id = #{id}")
    Category findById(Integer id);
   //更新
    @Update("update category set category_name = #{categoryName},category_alias = #{categoryAlias},update_time = #{updateTime} where id = #{id}")
    void update(Category category);
}
